You almost never hear of a DC Watt Meter – one just does some mental math with Volts and Amps at the back of one’s head. An AC Watt Meter, on the other hand, can by pretty useful on any workbench.

Wattage is a measurement of power, used to convey energy transfer. In electronics, the more wattage an object can use, the more power it can apply to do its job. Think of the difference between a ...

A speaker that can produce 90 dB or higher sound output when fed a one-watt audio signal is considered to have good speaker ...